Mercurial > hg > CbC > CbC_gcc
annotate gcc/gencodes.c @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
| author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 22 Mar 2011 17:18:12 +0900 |
| parents | a06113de4d67 |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 /* Generate from machine description: |
| 2 - some macros CODE_FOR_... giving the insn_code_number value | |
| 3 for each of the defined standard insn names. | |
| 4 Copyright (C) 1987, 1991, 1995, 1998, 1999, 2000, 2001, 2003, | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
5 2004, 2007, 2010 Free Software Foundation, Inc. |
| 0 | 6 |
| 7 This file is part of GCC. | |
| 8 | |
| 9 GCC is free software; you can redistribute it and/or modify it under | |
| 10 the terms of the GNU General Public License as published by the Free | |
| 11 Software Foundation; either version 3, or (at your option) any later | |
| 12 version. | |
| 13 | |
| 14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 15 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 17 for more details. | |
| 18 | |
| 19 You should have received a copy of the GNU General Public License | |
| 20 along with GCC; see the file COPYING3. If not see | |
| 21 <http://www.gnu.org/licenses/>. */ | |
| 22 | |
| 23 | |
| 24 #include "bconfig.h" | |
| 25 #include "system.h" | |
| 26 #include "coretypes.h" | |
| 27 #include "tm.h" | |
| 28 #include "rtl.h" | |
| 29 #include "errors.h" | |
| 30 #include "gensupport.h" | |
| 31 | |
| 32 static void | |
| 33 gen_insn (rtx insn, int code) | |
| 34 { | |
| 35 const char *name = XSTR (insn, 0); | |
| 36 int truth = maybe_eval_c_test (XSTR (insn, 2)); | |
| 37 | |
| 38 /* Don't mention instructions whose names are the null string | |
| 39 or begin with '*'. They are in the machine description just | |
| 40 to be recognized. */ | |
| 41 if (name[0] != 0 && name[0] != '*') | |
| 42 { | |
| 43 if (truth == 0) | |
| 44 printf ("#define CODE_FOR_%s CODE_FOR_nothing\n", name); | |
| 45 else | |
| 46 printf (" CODE_FOR_%s = %d,\n", name, code); | |
| 47 } | |
| 48 } | |
| 49 | |
| 50 int | |
| 51 main (int argc, char **argv) | |
| 52 { | |
| 53 rtx desc; | |
| 54 | |
| 55 progname = "gencodes"; | |
| 56 | |
| 57 /* We need to see all the possibilities. Elided insns may have | |
| 58 direct references to CODE_FOR_xxx in C code. */ | |
| 59 insn_elision = 0; | |
| 60 | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
61 if (!init_rtx_reader_args (argc, argv)) |
| 0 | 62 return (FATAL_EXIT_CODE); |
| 63 | |
| 64 puts ("\ | |
| 65 /* Generated automatically by the program `gencodes'\n\ | |
| 66 from the machine description file `md'. */\n\ | |
| 67 \n\ | |
| 68 #ifndef GCC_INSN_CODES_H\n\ | |
| 69 #define GCC_INSN_CODES_H\n\ | |
| 70 \n\ | |
| 71 enum insn_code {"); | |
| 72 | |
| 73 /* Read the machine description. */ | |
| 74 | |
| 75 while (1) | |
| 76 { | |
| 77 int line_no; | |
| 78 int insn_code_number; | |
| 79 | |
| 80 desc = read_md_rtx (&line_no, &insn_code_number); | |
| 81 if (desc == NULL) | |
| 82 break; | |
| 83 | |
| 84 if (GET_CODE (desc) == DEFINE_INSN || GET_CODE (desc) == DEFINE_EXPAND) | |
| 85 gen_insn (desc, insn_code_number); | |
| 86 } | |
| 87 | |
| 88 puts (" CODE_FOR_nothing\n\ | |
| 89 };\n\ | |
| 90 \n\ | |
| 91 #endif /* GCC_INSN_CODES_H */"); | |
| 92 | |
| 93 if (ferror (stdout) || fflush (stdout) || fclose (stdout)) | |
| 94 return FATAL_EXIT_CODE; | |
| 95 | |
| 96 return SUCCESS_EXIT_CODE; | |
| 97 } |